/*
  coolant_control.c - coolant control methods
  Part of Grbl

  Copyright (c) 2012-2015 Sungeun K. Jeon

  Grbl is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  Grbl is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with Grbl.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "grbl.h"

void coolant_init() {
    COOLANT_FLOOD_DDR |= (1 << COOLANT_FLOOD_BIT);
#ifdef ENABLE_M7
    COOLANT_MIST_DDR |= (1 << COOLANT_MIST_BIT);
#endif
    coolant_stop();
}

void coolant_stop() {
    COOLANT_FLOOD_PORT &= ~(1 << COOLANT_FLOOD_BIT);
#ifdef ENABLE_M7
    COOLANT_MIST_PORT &= ~(1 << COOLANT_MIST_BIT);
#endif
}

void coolant_set_state(uint8_t mode) {
    if (mode == COOLANT_FLOOD_ENABLE) {
        COOLANT_FLOOD_PORT |= (1 << COOLANT_FLOOD_BIT);

#ifdef ENABLE_M7  
    } else if (mode == COOLANT_MIST_ENABLE) {
        COOLANT_MIST_PORT |= (1 << COOLANT_MIST_BIT);
#endif

    } else {
        coolant_stop();
    }
}

void coolant_run(uint8_t mode) {
    if (sys.state == STATE_CHECK_MODE) {
        return;
    }
    protocol_buffer_synchronize(); // Ensure coolant turns on when specified in program.  
    coolant_set_state(mode);
}
